This circuit is from a 1976 Motorola CMOS manual. It can be implemented with modern Darlingtons like those in the Texas TIP series. The load current depends only on the Darlington transistor.
This circuit allows the frequency generated by an oscillator with the 4069 to be divided by two,...
This simple alarm circuit was found in the May 1990 issue of Radio Electronics magazine. The...
The LM358 integrated circuit used as a driver in this circuit is not very common today. The...